Continuity features like Handoff, Universal Clipboard, and Auto Unlock with your Apple Watch

App data for any third-party apps that you've installed that use iCloud

When you sign out of iCloud, you'll also automatically be signed out of the App Store, iMessage, and FaceTime. You can keep using these services with your Apple ID by signing back in separately. Here's how to sign in to the App Store, iMessage, and FaceTime. If you don't want to sign back in with your Apple ID, you can keep using iMessage and FaceTime with your phone number.

If you sign out of iCloud and you don't keep a copy of your data on your device or your Mac, you can't access that data on your device or your Mac until you sign in to iCloud again.

Sign out on your iPhone, iPad, or iPod touch

If you use iOS 10.3 or later:

Go to Settings > [your name].

Scroll down and tap Sign Out.

Enter your Apple ID password and tap Turn Off.

Turn on the data that you want to keep a copy of on your device.

Tap Sign Out.

Tap Sign Out again to confirm that you want to sign out of iCloud.

If you use iOS 10.2 or earlier:

Go to Settings > iCloud.

Scroll down and tap Sign Out.

Tap Sign Out.

Tap Delete from My iPhone.

Tap Keep or Delete for data on your iOS device, such as iCloud calendars, Safari data, reminders, and contacts.

Enter your Apple ID password, and tap Turn Off.

Sign out on your Mac

If you use macOS High Sierra or later:

Go to Apple menu > System Preferences > iCloud.

Click Sign Out.

If you want to a keep a copy of your iCloud data on your Mac before you sign out, make sure that you select the appropriate checkboxes. Then click Keep a Copy.

If you want to keep a copy of your Safari passwords on your Mac, click Keep on This Mac.

Sign out on your Apple Watch

When you sign out of iCloud on the iPhone that's paired with your Apple Watch, you're automatically signed out of iCloud on your Apple Watch.